/*
 * Copyright 2010 ArcBees Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.arcbees.hive.server.home.blog;

import com.arcbees.hive.shared.home.blog.GetBlogPosts;
import com.arcbees.hive.shared.home.blog.GetBlogPostsResult;

import com.google.inject.Inject;

import com.gwtplatform.dispatch.server.ExecutionContext;
import com.gwtplatform.dispatch.server.actionhandler.AbstractActionHandler;
import com.gwtplatform.dispatch.shared.ActionException;

/**
 * {@link com.gwtplatform.dispatch.server.actionhandler.ActionHandler} that
 * handle server request for {@link GetBlogPosts}
 * {@link com.gwtplatform.dispatch.shared.Action}.
 * 
 * @author Christian Goudreau
 */
public class GetBlogPostsHandler extends
    AbstractActionHandler<GetBlogPosts, GetBlogPostsResult> {
  private final BlogPostParser blogPostParser;

  @Inject
  public GetBlogPostsHandler(final BlogPostParser blogPostParser) {
    super(GetBlogPosts.class);

    this.blogPostParser = blogPostParser;
  }

  @Override
  public GetBlogPostsResult execute(GetBlogPosts action,
      ExecutionContext context) throws ActionException {

    return new GetBlogPostsResult(blogPostParser.parse());
  }

  @Override
  public void undo(GetBlogPosts action, GetBlogPostsResult result,
      ExecutionContext context) throws ActionException {
  }
}
